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Alison Kiddle

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Explore the latest news, articles and features

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #106: Indices behaving oddly

24 December 2025

BrainTwister #84: Wild ones

BrainTwister #84: Wild ones

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #84: Wild ones

30 July 2025

BrainTwister #81: Consecutive squares

BrainTwister #81: Consecutive squares

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #81: Consecutive squares

9 July 2025

BrainTwister #74: Triple digits

BrainTwister #74: Triple digits

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #74: Triple digits

21 May 2025

BrainTwister #55: Squares in squares

BrainTwister #55: Squares in squares

Regulars

BrainTwister #45: Square differences

BrainTwister #45: Square differences

Regulars

BrainTwister #19: Angular arrangements

BrainTwister #19: Angular arrangements

Regulars

Can you solve our festive feast of four logic puzzles?

Can you solve our festive feast of four logic puzzles?

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Puzzle #141: How fast will Sam drive to get his teeth drilled?

Regulars